The control circuit of ceiling type warmer

The control circuit of ceiling type warmer

  • CN 103,486,653 B
  • Filed: 09/29/2013
  • Issued: 09/30/2015
  • Est. Priority Date: 09/29/2013
  • Status: Active Grant
First Claim
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1. the control circuit of a ceiling type warmer, comprise external mains terminal, it is characterized in that:

  • described external mains terminal is connected with the mains terminal of load switch line, described load switch line also comprises the warm end of the first wind, the warm end of second wind and air-out motor side, described external mains terminal also warms up relay trigger switch respectively by the first wind warms up electrothermal piece with the first wind and is connected, the trigger switch that second wind warms up relay warms up electrothermal piece with the second wind and is connected, the trigger switch of air-out relay with go out wind turbine and be connected, the warm end of described first wind, second wind warms up end and is connected with one end of current-limiting resistance respectively with air-out motor side, the other end of described current-limiting resistance is connected with one end of photoelectrical coupler, the other end of described photoelectrical coupler connects respectively at the different input pins of single-chip microcomputer, the output pin of described single-chip microcomputer is connected with the input pin of current amplification circuit respectively, the output pin of described current amplification circuit warms up relay with described first wind respectively, second wind warms up relay and is connected with the low voltage control end of air-out relay.

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